81838440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1107

約数の個数: 96

約数和(自身を含む): 267251400

約数和(自身を除く): 185412960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 281, 360, 562, 809, 843, 1124, 1405, 1618, 1686, 2248, 2427, 2529, 2810, 3236, 3372, 4045, 4215, 4854, 5058, 5620, 6472, 6744, 7281, 8090, 8430, 9708, 10116, 11240, 12135, 12645, 14562, 16180, 16860, 19416, 20232, 24270, 25290, 29124, 32360, 33720, 36405, 48540, 50580, 58248, 72810, 97080, 101160, 145620, 227329, 291240, 454658, 681987, 909316, 1136645, 1363974, 1818632, 2045961, 2273290, 2727948, 3409935, 4091922, 4546580, 5455896, 6819870, 8183844, 9093160, 10229805, 13639740, 16367688, 20459610, 27279480, 40919220, 81838440]

約数ペア:

[(1, 81838440), (2, 40919220), (3, 27279480), (4, 20459610), (5, 16367688), (6, 13639740), (8, 10229805), (9, 9093160), (10, 8183844), (12, 6819870), (15, 5455896), (18, 4546580), (20, 4091922), (24, 3409935), (30, 2727948), (36, 2273290), (40, 2045961), (45, 1818632), (60, 1363974), (72, 1136645), (90, 909316), (120, 681987), (180, 454658), (281, 291240), (360, 227329), (562, 145620), (809, 101160), (843, 97080), (1124, 72810), (1405, 58248), (1618, 50580), (1686, 48540), (2248, 36405), (2427, 33720), (2529, 32360), (2810, 29124), (3236, 25290), (3372, 24270), (4045, 20232), (4215, 19416), (4854, 16860), (5058, 16180), (5620, 14562), (6472, 12645), (6744, 12135), (7281, 11240), (8090, 10116), (8430, 9708)]